<?php
/**
 * @file domxml-php4-php5.php
 * Require PHP5, uses built-in DOM extension.
 * To be used in PHP4 scripts using DOMXML extension.
 * Allows PHP4/DOMXML scripts to run on PHP5/DOM.
 * (Requires PHP5/XSL extension for domxml_xslt functions)
 *
 * Typical use:
 * <pre>
 * {
 *  if (version_compare(PHP_VERSION,'5','>='))
 *   require_once('domxml-php4-to-php5.php');
 * }
 * </pre>
 *
 * Version 1.5.5, 2005-01-18, http://alexandre.alapetite.net/doc-alex/domxml-php4-php5/
 *
 * ------------------------------------------------------------------<br>
 * Written by Alexandre Alapetite, http://alexandre.alapetite.net/cv/
 *
 * Copyright 2004, Licence: Creative Commons "Attribution-ShareAlike 2.0 France" BY-SA (FR),
 * http://creativecommons.org/licenses/by-sa/2.0/fr/
 * http://alexandre.alapetite.net/divers/apropos/#by-sa
 * - Attribution. You must give the original author credit
 * - Share Alike. If you alter, transform, or build upon this work,
 *   you may distribute the resulting work only under a license identical to this one
 * - The French law is authoritative
 * - Any of these conditions can be waived if you get permission from Alexandre Alapetite
 * - Please send to Alexandre Alapetite the modifications you make,
 *   in order to improve this file for the benefit of everybody
 *
 * If you want to distribute this code, please do it as a link to:
 * http://alexandre.alapetite.net/doc-alex/domxml-php4-php5/
 */

function domxml_new_doc($version) {return new php4DOMDocument('');}
function domxml_open_file($filename) {return new php4DOMDocument($filename);}
function domxml_open_mem($str)
{
    $dom=new php4DOMDocument('');
    $dom->myDOMNode->loadXML($str);
    return $dom;
}
function xpath_eval($xpath_context,$eval_str,$contextnode=null) {return $xpath_context->query($eval_str,$contextnode);}
function xpath_new_context($dom_document) {return new php4DOMXPath($dom_document);}

class php4DOMAttr extends php4DOMNode
{
    function php4DOMAttr($aDOMAttr) {$this->myDOMNode=$aDOMAttr;}
    function Name() {return $this->myDOMNode->name;}
    function Specified() {return $this->myDOMNode->specified;}
    function Value() {return $this->myDOMNode->value;}
}

class php4DOMDocument extends php4DOMNode
{
    function php4DOMDocument($filename='')
    {
        $this->myDOMNode=new DOMDocument();
        if ($filename!='') $this->myDOMNode->load($filename);
    }
    function create_attribute($name,$value)
    {
        $myAttr=$this->myDOMNode->createAttribute($name);
        $myAttr->value=$value;
        return new php4DOMAttr($myAttr,$this);
    }
    function create_cdata_section($content) {return new php4DOMNode($this->myDOMNode->createCDATASection($content),$this);}
    function create_comment($data) {return new php4DOMNode($this->myDOMNode->createComment($data),$this);}
    function create_element($name) {return new php4DOMElement($this->myDOMNode->createElement($name),$this);}
    function create_text_node($content) {return new php4DOMNode($this->myDOMNode->createTextNode($content),$this);}
    function document_element() {return new php4DOMElement($this->myDOMNode->documentElement,$this);}
    function dump_file($filename,$compressionmode=false,$format=false) {return $this->myDOMNode->save($filename);}
    function dump_mem($format=false,$encoding=false) {return $this->myDOMNode->saveXML();}
    function get_element_by_id($id) {return new php4DOMElement($this->myDOMNode->getElementById($id),$this);}
    function get_elements_by_tagname($name)
    {
        $myDOMNodeList=$this->myDOMNode->getElementsByTagName($name);
        $nodeSet=array();
        $i=0;
        if (isset($myDOMNodeList))
        while ($node=$myDOMNodeList->item($i))
        {
            $nodeSet[]=new php4DOMElement($node,$this);
            $i++;
        }
        return $nodeSet;
    }
    function html_dump_mem() {return $this->myDOMNode->saveHTML();}
    function root() {return new php4DOMElement($this->myDOMNode->documentElement,$this);}
}

class php4DOMElement extends php4DOMNode
{
    function get_attribute($name) {return $this->myDOMNode->getAttribute($name);}
    function get_elements_by_tagname($name)
    {
        $myDOMNodeList=$this->myDOMNode->getElementsByTagName($name);
        $nodeSet=array();
        $i=0;
        if (isset($myDOMNodeList))
        while ($node=$myDOMNodeList->item($i))
        {
            $nodeSet[]=new php4DOMElement($node,$this->myOwnerDocument);
            $i++;
        }
        return $nodeSet;
    }
    function has_attribute($name) {return $this->myDOMNode->hasAttribute($name);}
    function remove_attribute($name) {return $this->myDOMNode->removeAttribute($name);}
    function set_attribute($name,$value) {return $this->myDOMNode->setAttribute($name,$value);}
    function tagname() {return $this->myDOMNode->tagName;}
}

class php4DOMNode
{
    var $myDOMNode;
    var $myOwnerDocument;
    function php4DOMNode($aDomNode,$aOwnerDocument)
    {
        $this->myDOMNode=$aDomNode;
        $this->myOwnerDocument=$aOwnerDocument;
    }
    function __get($name)
    {
        if ($name=='type') return $this->myDOMNode->nodeType;
        elseif ($name=='tagname') return $this->myDOMNode->tagName;
        elseif ($name=='content') return $this->myDOMNode->textContent;
        else
        {
            $myErrors=debug_backtrace();
            trigger_error('Undefined property: '.get_class($this).'::$'.$name.' ['.$myErrors[0]['file'].':'.$myErrors[0]['line'].']',E_USER_NOTICE);
            return false;
        }
    }
    function append_child($newnode) {return new php4DOMElement($this->myDOMNode->appendChild($newnode->myDOMNode),$this->myOwnerDocument);}
    function append_sibling($newnode) {return new php4DOMElement($this->myDOMNode->parentNode->appendChild($newnode->myDOMNode),$this->myOwnerDocument);}
    function attributes()
    {
        $myDOMNodeList=$this->myDOMNode->attributes;
        $nodeSet=array();
        $i=0;
        if (isset($myDOMNodeList))
        while ($node=$myDOMNodeList->item($i))
        {
            $nodeSet[]=new php4DOMAttr($node,$this->myOwnerDocument);
            $i++;
        }
        return $nodeSet;
    }
    function child_nodes()
    {
        $myDOMNodeList=$this->myDOMNode->childNodes;
        $nodeSet=array();
        $i=0;
        if (isset($myDOMNodeList))
        while ($node=$myDOMNodeList->item($i))
        {
            $nodeSet[]=new php4DOMElement($node,$this->myOwnerDocument);
            $i++;
        }
        return $nodeSet;
    }
    function children() {return $this->child_nodes();}
    function clone_node($deep=false) {return new php4DOMElement($this->myDOMNode->cloneNode($deep),$this->myOwnerDocument);}
    function first_child() {return new php4DOMElement($this->myDOMNode->firstChild,$this->myOwnerDocument);}
    function get_content() {return $this->myDOMNode->textContent;}
    function has_attributes() {return $this->myDOMNode->hasAttributes();}
    function has_child_nodes() {return $this->myDOMNode->hasChildNodes();}
    function insert_before($newnode,$refnode) {return new php4DOMElement($this->myDOMNode->insertBefore($newnode->myDOMNode,$refnode->myDOMNode),$this->myOwnerDocument);}
    function is_blank_node()
    {
        $myDOMNodeList=$this->myDOMNode->childNodes;
        $i=0;
        if (isset($myDOMNodeList))
        while ($node=$myDOMNodeList->item($i))
        {
            if (($node->nodeType==XML_ELEMENT_NODE)||
            (($node->nodeType==XML_TEXT_NODE)&&!preg_match('/^([[:cntrl:]]|[[:space:]])*$/',$node->nodeValue)))
            return false;
            $i++;
        }
        return true;
    }
    function last_child() {return new php4DOMElement($this->myDOMNode->lastChild,$this->myOwnerDocument);}
    function new_child($name,$content)
    {
        $mySubNode=$this->myDOMNode->ownerDocument->createElement($name);
        $mySubNode->appendChild($this->myDOMNode->ownerDocument->createTextNode($content));
        $this->myDOMNode->appendChild($mySubNode);
        return new php4DOMElement($mySubNode,$this->myOwnerDocument);
    }
    function next_sibling() {return new php4DOMElement($this->myDOMNode->nextSibling,$this->myOwnerDocument);}
    function node_name() {return $this->myDOMNode->localName;}
    function node_type() {return $this->myDOMNode->nodeType;}
    function node_value() {return $this->myDOMNode->nodeValue;}
    function owner_document() {return $this->myOwnerDocument;}
    function parent_node() {return new php4DOMElement($this->myDOMNode->parentNode,$this->myOwnerDocument);}
    function prefix() {return $this->myDOMNode->prefix;}
    function previous_sibling() {return new php4DOMElement($this->myDOMNode->previousSibling,$this->myOwnerDocument);}
    function remove_child($oldchild) {return new php4DOMElement($this->myDOMNode->removeChild($oldchild->myDOMNode),$this->myOwnerDocument);}
    function replace_child($oldnode,$newnode) {return new php4DOMElement($this->myDOMNode->replaceChild($oldnode->myDOMNode,$newnode->myDOMNode),$this->myOwnerDocument);}
    function set_content($text)
    {
        if (($this->myDOMNode->hasChildNodes())&&($this->myDOMNode->firstChild->nodeType==XML_TEXT_NODE))
        $this->myDOMNode->removeChild($this->myDOMNode->firstChild);
        return $this->myDOMNode->appendChild($this->myDOMNode->ownerDocument->createTextNode($text));
    }
}

class php4DOMNodelist
{
    var $myDOMNodelist;
    var $nodeset;
    function php4DOMNodelist($aDOMNodelist,$aOwnerDocument)
    {
        $this->myDOMNodelist=$aDOMNodelist;
        $this->nodeset=array();
        $i=0;
        if (isset($this->myDOMNodelist))
        while ($node=$this->myDOMNodelist->item($i))
        {
            $this->nodeset[]=new php4DOMElement($node,$aOwnerDocument);
            $i++;
        }
    }
}

class php4DOMXPath
{
    var $myDOMXPath;
    var $myOwnerDocument;
    function php4DOMXPath($dom_document)
    {
        $this->myOwnerDocument=$dom_document;
        $this->myDOMXPath=new DOMXPath($dom_document->myDOMNode);
    }
    function query($eval_str,$contextnode)
    {
        if (isset($contextnode)) return new php4DOMNodelist($this->myDOMXPath->query($eval_str,$contextnode->myDOMNode),$this->myOwnerDocument);
        else return new php4DOMNodelist($this->myDOMXPath->query($eval_str),$this->myOwnerDocument);
    }
    function xpath_register_ns($prefix,$namespaceURI) {return $this->myDOMXPath->registerNamespace($prefix,$namespaceURI);}
}

if (extension_loaded('xsl'))
{//See also: http://alexandre.alapetite.net/doc-alex/xslt-php4-php5/
function domxml_xslt_stylesheet($xslstring) {return new php4DomXsltStylesheet(DOMDocument::loadXML($xslstring));}
function domxml_xslt_stylesheet_doc($dom_document) {return new php4DomXsltStylesheet($dom_document);}
function domxml_xslt_stylesheet_file($xslfile) {return new php4DomXsltStylesheet(DOMDocument::load($xslfile));}
class php4DomXsltStylesheet
{
    var $myxsltProcessor;
    function php4DomXsltStylesheet($dom_document)
    {
        $this->myxsltProcessor=new xsltProcessor();
        $this->myxsltProcessor->importStyleSheet($dom_document);
    }
    function process($dom_document,$xslt_parameters=array(),$param_is_xpath=false)
    {
        foreach ($xslt_parameters as $param=>$value)
        $this->myxsltProcessor->setParameter('',$param,$value);
        $myphp4DOMDocument=new php4DOMDocument();
        $myphp4DOMDocument->myDOMNode=$this->myxsltProcessor->transformToDoc($dom_document->myDOMNode);
        return $myphp4DOMDocument;
    }
    function result_dump_file($dom_document,$filename)
    {
        $html=$dom_document->myDOMNode->saveHTML();
        file_put_contents($filename,$html);
        return $html;
    }
    function result_dump_mem($dom_document) {return $dom_document->myDOMNode->saveHTML();}
}
}
?>